137718412 has 24 divisors (see below), whose sum is σ = 259950096. Its totient is φ = 63463488.

The previous prime is 137718407. The next prime is 137718439. The reversal of 137718412 is 214817731.

It is a super-2 number, since 2×137718412² = 37932722007603488, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39783 + ... + 43105.

It is an arithmetic number, because the mean of its divisors is an integer number (10831254).

Almost surely, 2^137718412 is an apocalyptic number.

It is an amenable number.

137718412 is a deficient number, since it is larger than the sum of its proper divisors (122231684).

137718412 is a wasteful number, since it uses less digits than its factorization.

137718412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4137 (or 4135 counting only the distinct ones).

The product of its digits is 9408, while the sum is 34.

The square root of 137718412 is about 11735.3488231070. The cubic root of 137718412 is about 516.4132008690.

The spelling of 137718412 in words is "one hundred thirty-seven million, seven hundred eighteen thousand, four hundred twelve".